PAM XIAMEN offers LSAT Substrate.
LSAT (LaAlO3)0.3 (Sr2AlTaO6)0.7 or (La,Sr)(Al,Ta)O3 is a kind of mature perovskite crystal with twin-free, LAST is well matched with high temperature superconductors and various oxide materials. In a large number of practical applications, last is expected to replace LaAlO3 and SrTiO3 in giant magneto-electric and superconducting devices. Please see below details:
1: Properties of LAST Wafer Substrate
| Growth Method | Czochralski | |
| Crystal Structure | Cube | |
| Lattice Constant | a= 3.868A | |
| Density | 6.74 g/cm3 | |
| Melt Point | 1840 ℃ | |
| Mohs Hardness | 6.5 Mohs | |
| Dielectric Constant | 22 | |
| CTE | 10 x 10-6 /K | |
| Color and Appearance | From colorless to light brown according to different annealing condition. | |
2. LAST Specification:
| Orientation | （100）,(110),(111)±0.5º |
| Size | dia2” x 0.5mm 25 x 25 x 0.5mm 15 x 15 x 0.5mm 10 x 10 x 0.5mm 10 x 5 x 0.5mm 5 x 5 x 0.5mm |
| Polishing Condition | Single side polished or double side polished |
| Surface Roughness | Ra:<=5A |
3: LSAT List
3-1 LAST with (100) Orientation
LSAT (100) 5×5 x0.5 mm Square Substrate — 1 side epi polished
LSAT (100) 5×5 x0.5 mm Square Substrate — 2 side epi polished
LSAT (100) 10×10 x0.5 mm Square Substrate — 1SP PAM-191005-LAST
LSAT (100) 10×10 x0.5 mm square substrate, 2 sides polished
LSAT (100) 15×15 x0.5 mm Square Substrate — 2 side epi polished
LSAT (100) 1″ x0.5 mm wafer — 2 side epi polished
LSAT (100) 1″ x0.5 mm wafer — one side epi polished
LSAT (100) 2″ x0.5 mm wafer — 1 side epi polished
LSAT (100) 2″ x0.5 mm wafer — 2 side epi polished
LSAT (100) 0.5”x0.5” x0.5 mm Square Substrate — 1 side epi polished
LSAT (100) 10×10 x0.5 mm Square Substrate — 2 side epi polished, Anneaing in oxygen
3-2 LSAT with (110) Orientation
LSAT (110) 10×10 x0.5 mm Square Substrate — 1 side epi polished
LSAT (110) 10×10 x0.5 mm Square Substrate — 2 sides epi polished
LSAT (110) 2″ x0.5 mm wafer — 1 side epi polished
LSAT (110) 2″ x0.5 mm wafer — 2 side epi polished
3-3 LSAT with (111) Orientation
LSAT (111) 5x5x0.5 mm Square Substrate — 1 side epi polished
LSAT (111) 2″ x0.5 mm wafer — 1 side epi polished
LSAT (111) 10×10 x0.5 mm Square Substrate — 1 side epi polished
LSAT (111) 10×10 x0.5 mm Square Substrate — 2 side epi polished
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